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K9-12 FlexShaft
™
Drain Cleaning Machine
999-995-413.10_REV. E
11
DESCRIPTION
K9-102
NYLON 1.5"
K9-102
NYLON 2"
K9-102
BALL HEAD
K9-102
DROP HEAD
CATALOG NO. 68933
68938 71838 71843
PIPE SIZE
1.5"
(40 mm)
2"
(50 mm)
1.5"
(40 mm)
2"
(50 mm)
COPPER
GALVANIZED
CAST IRON
PVC
ABS
ORANGEBURG
CORRUGATED
CLAY
SPRAY
RELINING
FRAGILE
PIPES/GENTLE
CLEANING
FINAL
CLEANUP
PENETRATES
BLOCKAGES
SMALL LINE
NAVIGATION
DOWN STACK
NAVIGATION
SECURING
RING
68923 68923
APPLICATIONS
PIPE TYPE
Nylon Brush
Ball/Drop Head
Figure 10B – Attachment Selection Charts
All ¼" cable FlexShaft accessories (K9-102) are compatible
with the K9-12 FlexShaft Drain Cleaning Machine
2. Figure 11 shows a schematic of proper
chain knocker installation and adjustment.
There are two key points when installing/
adjusting chain knockers.
Collar Distance: Set the chain knocker
collars the correct distance apart (“Collar
Distance”) to allow the chains to spread
an appropriate amount when rotated to
clean the pipe walls. Collar Distance var-
ies based on cable size and pipe diam-
eter, and is generally set using a spacer
made from sheath (“Collar Spacer”). If
additional flexibility is required to navigate
a bend, the collar spacer can be removed
and the collar distance can be set with a
tape measure. Operating without a collar
spacer makes it more likely for the cable
to flip over in use and be damaged. Do
not operate carbide cutters without a
collar spacer to reduce risk of cable
damage.
Exposed Cable: Minimize the amount
of exposed cable (cable not covered by
sheath). The more exposed cable there
is, the more likely the cable will flip over
in use and be damaged. Exposed cable
should be limited to no more than ¼" (6
mm), and is set with a bushing made from
sheath (“Knocker Bushing”). Exposed
cable varies with the amount of cable
out of the drum. The more cable out of
the drum, the smaller the exposed cable.
Exposed cable may need to be set with
cable out of the drum for best results,
Sheath is supplied with the drain cleaner
and is available as a service part to allow
configuration as needed for your specific
application. Only use RIDGID FlexShaft
Drain Cleaner sheath of the correct size
for the cable. Any time sheath is cut, it
should be cut cleanly and squarely. Do
not damage the cable when cutting the
sheath.
3. Chain knockers are retained to the cable
with set screws that use a supplied 3 mm
hex key. Loosen set screws and remove
chain knocker, spacer and bushing from
cable.
4. Inspect the sheath end for damage or
wear. The sheath end should be square
and clean. If needed, the sheath end can
be trimmed slightly.
5. If needed, cut a section of sheath to use
as the collar spacer to the appropriate
size (See Collar Distance Chart).
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